Mason Thompson

Washington NationalsMLB

ID: 666168

Outings

246

Total Pitches

Strikeouts

Walks

1.10

K/BB

Proprietary Metrics

14 games • 246 pitches

66Tunnel ScoreRelease point similarity 84SeparationMovement divergence 57Extension ScoreFastball extension & velo jump

What do these metrics mean?

Tunnel Score (0-100): Measures how similar a pitcher's pitches look coming out of the hand before they diverge. Higher scores indicate better deception—the ball looks the same to the batter regardless of pitch type until it's too late.

Separation Score (0-100): Measures how much the pitches diverge at the plate based on horizontal and vertical movement. Higher separation means more contrast between pitch types, making the arsenal harder to square up.

Extension Score (0-100): Measures fastball extension and perceived velocity jump. Higher scores indicate better release extension and effective speed vs release speed, making the fastball appear faster to batters.

Arsenal Over Time

Velocity Over Time

Spin Rate Over Time

All Outings (120)

Date▲▼	Opp▲▼	Pitches▲▼	Velo▲▼	K▲▼	BB▲▼	SwStr%▲▼	Tunnel▲▼	Sep▲▼	Pair▲▼
2025-09-19	NYM	32	92.2(96.9)	2	2	12.5%	70	93	CU/SI
2025-09-16	ATL	27	90.4(96.4)	1	1	14.8%	73	85	SI/SL
2025-09-14	PIT	17	89.2(96.4)	1	1	0.0%	60	98	CU/SI
2025-09-11	MIA	16	90.4(94.6)	1	0	6.3%	66	79	SI/SL
2025-09-10	MIA	7	92.0(95.2)	0	0	0.0%	-	-	-
2025-09-07	CHC	15	88.6(96.2)	1	0	0.0%	57	81	SI/SL
2025-09-03	MIA	23	90.5(96.7)	1	1	4.3%	70	94	SI/SL
2025-08-30	TB	15	89.6(95.5)	1	0	0.0%	75	100	SI/SL
2025-07-21	CIN	12	89.2(95.0)	0	2	0.0%	57	91	SI/SL
2025-07-18	SD	15	89.9(94.9)	0	1	6.7%	70	76	SI/SL
2025-07-13	MIL	19	92.1(95.7)	1	1	5.3%	64	70	SI/SL
2025-07-10	STL	17	90.1(96.0)	0	1	5.9%	67	73	FF/SL
2025-07-08	STL	16	91.8(95.4)	1	0	12.5%	67	71	SI/SL
2025-07-06	BOS	15	93.7(96.1)	1	0	13.3%	62	-	-
2023-09-10	LAD	19	88.6(95.3)	1	0	10.5%	66	83	CU/SI
2023-09-08	LAD	17	88.7(95.7)	1	2	11.8%	58	90	SI/SL
2023-09-06	NYM	9	86.2(94.6)	0	0	11.1%	-	-	-
2023-09-01	MIA	11	88.0(96.0)	0	0	9.1%	57	100	SI/SL
2023-08-29	TOR	23	89.4(95.4)	2	1	4.3%	80	93	CU/SI
2023-08-27	MIA	17	90.4(94.5)	0	0	0.0%	67	100	CU/SI
2023-08-25	MIA	16	91.0(96.2)	0	0	0.0%	66	78	SI/SL
2023-08-22	NYY	11	89.1(95.6)	0	0	18.2%	66	97	SI/SL
2023-08-20	PHI	16	90.6(95.6)	0	0	0.0%	65	92	SI/SL
2023-07-31	MIL	5	93.7(96.1)	0	0	0.0%	-	-	-
2023-07-29	NYM	13	95.5(96.5)	1	1	7.7%	-	-	-
2023-07-27	NYM	21	92.5(97.1)	0	0	9.5%	55	100	CU/SI
2023-07-23	SF	10	88.8(95.2)	0	0	10.0%	66	72	FF/SL
2023-07-19	CHC	33	89.1(95.8)	1	2	9.1%	63	92	CU/SI
2023-07-17	CHC	27	90.9(96.4)	1	0	14.8%	69	89	SI/SL
2023-07-14	STL	2	90.4(96.4)	0	0	0.0%	-	-	-
2023-07-06	CIN	31	92.6(96.0)	0	1	0.0%	66	90	SI/SL
2023-07-02	PHI	10	88.8(96.1)	1	0	10.0%	51	89	SI/SL
2023-06-30	PHI	14	92.1(95.8)	2	0	14.3%	60	-	-
2023-06-27	SEA	14	93.8(96.5)	0	1	0.0%	59	-	-
2023-06-25	SD	22	94.0(96.6)	0	3	0.0%	69	95	SI/SL
2023-06-24	SD	25	90.5(96.4)	3	0	20.0%	73	100	CU/SI
2023-06-21	STL	16	89.9(95.8)	1	1	0.0%	69	100	SI/SL
2023-06-16	MIA	13	89.5(95.9)	1	0	7.7%	76	94	SI/SL
2023-06-15	HOU	13	91.3(96.6)	1	0	0.0%	56	100	SI/SL
2023-06-13	HOU	14	89.3(96.4)	2	0	14.3%	71	100	SI/SL
2023-06-09	ATL	20	93.4(96.5)	2	0	5.0%	72	-	-
2023-06-07	AZ	10	90.2(95.8)	0	0	0.0%	72	89	SI/SL
2023-06-04	PHI	26	87.4(96.4)	0	1	7.7%	69	96	CU/SI
2023-06-02	PHI	11	88.2(95.8)	0	1	0.0%	59	93	CU/SI
2023-05-30	LAD	14	90.4(96.0)	0	0	7.1%	79	90	SI/SL
2023-05-27	KC	19	91.3(95.0)	1	0	10.5%	74	60	SI/SL
2023-05-25	SD	12	87.8(95.4)	0	1	8.3%	69	100	CU/SI
2023-05-23	SD	25	89.7(95.5)	2	2	8.0%	72	100	CU/SI
2023-05-18	MIA	13	89.5(95.0)	0	0	15.4%	79	94	SI/SL
2023-05-14	NYM	17	91.1(95.7)	0	1	5.9%	69	-	-
2023-05-09	SF	28	87.9(95.1)	1	2	3.6%	75	84	SI/SL
2023-05-06	AZ	16	92.3(95.8)	0	0	0.0%	64	-	-
2023-05-02	CHC	17	88.3(94.5)	1	1	5.9%	65	90	SI/SL
2023-05-01	CHC	13	92.1(94.9)	2	0	23.1%	76	87	SI/SL
2023-04-27	NYM	16	91.3(95.2)	0	0	6.3%	67	75	SI/SL
2023-04-25	NYM	28	92.3(95.1)	4	0	21.4%	68	78	SI/SL
2023-04-22	MIN	35	89.8(95.0)	4	0	8.6%	65	100	CU/SI
2023-04-18	BAL	19	93.0(96.1)	1	0	10.5%	67	97	SI/SL
2023-04-16	CLE	13	91.3(95.0)	0	0	30.8%	84	90	SI/SL
2023-04-12	LAA	21	93.0(96.6)	1	1	4.8%	58	98	SI/SL
2023-04-10	LAA	13	92.4(95.7)	0	0	0.0%	70	98	SI/SL
2023-04-08	COL	9	91.0(95.0)	0	0	22.2%	-	-	-
2023-04-06	COL	25	90.3(96.1)	3	0	32.0%	66	74	SI/SL
2023-04-03	TB	32	91.6(95.8)	1	0	6.3%	64	97	SI/SL
2023-03-30	ATL	23	89.2(95.2)	3	0	8.7%	76	74	SI/SL
2022-10-05	NYM	20	89.9(95.5)	2	0	20.0%	72	100	SI/SL
2022-10-04	NYM	12	90.4(95.9)	1	0	16.7%	70	100	SI/SL
2022-10-01	PHI	25	93.0(96.0)	1	1	8.0%	63	98	SI/SL
2022-09-30	PHI	18	93.6(96.8)	0	1	5.6%	67	99	SI/SL
2022-09-27	ATL	12	93.0(95.6)	0	0	16.7%	63	-	-
2022-09-26	ATL	16	95.6(97.5)	0	1	6.3%	71	-	-
2022-09-23	MIA	5	91.5(96.4)	0	0	20.0%	-	-	-
2022-09-19	ATL	22	92.0(97.0)	2	0	22.7%	74	90	SI/SL
2022-09-18	MIA	13	93.7(96.6)	1	1	7.7%	68	89	SI/SL
2022-09-14	BAL	19	94.3(96.3)	0	1	0.0%	65	-	-
2022-09-13	BAL	9	93.8(96.8)	0	0	0.0%	-	-	-
2022-09-10	PHI	7	95.9(96.4)	0	1	14.3%	-	-	-
2022-09-08	STL	20	94.8(97.2)	0	0	5.0%	61	-	-
2022-09-05	STL	32	93.1(96.8)	1	0	6.3%	75	93	SI/SL
2022-09-02	NYM	12	95.0(97.6)	0	0	8.3%	63	-	-
2022-08-08	CHC	15	94.6(97.4)	1	1	13.3%	65	-	-
2022-08-07	PHI	16	91.4(97.0)	2	0	37.5%	73	99	SI/SL
2022-07-13	SEA	7	94.5(96.8)	0	0	0.0%	-	-	-
2022-07-09	ATL	16	91.1(96.7)	1	0	12.5%	69	87	SI/SL
2022-07-07	PHI	14	94.3(97.2)	0	0	0.0%	71	-	-
2022-07-03	MIA	10	94.8(96.8)	0	0	10.0%	76	-	-
2022-07-01	MIA	18	93.2(97.8)	0	0	0.0%	64	99	SI/SL
2022-04-09	NYM	3	93.7(95.3)	0	0	0.0%	-	-	-
2022-04-07	NYM	27	89.7(97.4)	3	1	11.1%	75	100	SI/SL
2021-10-02	BOS	11	93.6(97.3)	0	1	9.1%	78	-	-
2021-09-29	COL	10	93.7(96.4)	0	1	0.0%	71	-	-
2021-09-27	COL	21	90.7(96.7)	1	1	14.3%	68	77	SI/SL
2021-09-25	CIN	5	89.3(97.6)	1	0	20.0%	-	-	-
2021-09-24	CIN	2	97.2(97.6)	0	0	0.0%	-	-	-
2021-09-23	CIN	4	89.8(96.4)	1	0	25.0%	-	-	-
2021-09-21	MIA	12	93.4(98.3)	1	0	8.3%	64	100	SI/SL
2021-09-19	COL	13	93.8(98.4)	0	0	0.0%	61	100	SI/SL
2021-09-17	COL	11	95.1(98.1)	1	0	18.2%	73	-	-
2021-09-15	MIA	6	98.1(98.8)	0	0	0.0%	-	-	-
2021-09-12	PIT	17	94.0(97.1)	1	1	0.0%	73	-	-
2021-09-09	ATL	26	90.0(96.8)	2	0	19.2%	80	93	SI/SL
2021-09-08	ATL	11	93.1(98.4)	2	0	18.2%	67	89	SI/SL
2021-09-05	NYM	20	95.5(98.1)	1	2	0.0%	68	-	-
2021-09-02	PHI	13	93.7(95.9)	0	2	0.0%	63	-	-
2021-08-31	PHI	10	94.3(96.2)	1	0	10.0%	74	-	-
2021-08-28	NYM	34	91.8(96.1)	2	0	17.6%	75	76	SI/SL
2021-08-26	MIA	29	94.5(97.0)	1	0	3.4%	69	-	-
2021-08-20	MIL	14	95.3(97.2)	0	1	0.0%	-	-	-
2021-08-18	TOR	9	95.5(96.9)	1	0	0.0%	-	-	-
2021-08-17	TOR	13	95.0(96.9)	0	2	0.0%	76	-	-
2021-08-15	ATL	15	94.8(97.9)	0	0	6.7%	63	-	-
2021-08-13	ATL	14	96.7(98.0)	1	1	0.0%	-	-	-
2021-08-10	NYM	21	96.0(98.6)	0	0	0.0%	64	-	-
2021-08-07	ATL	13	95.8(97.2)	2	0	23.1%	92	-	-
2021-08-05	PHI	9	94.8(97.1)	1	0	11.1%	-	-	-
2021-08-02	PHI	21	96.2(97.5)	1	1	4.8%	-	-	-
2021-07-01	CIN	18	96.9(99.3)	1	0	11.1%	68	-	-
2021-06-26	AZ	3	96.1(96.4)	0	0	0.0%	-	-	-
2021-06-25	AZ	12	98.6(99.9)	1	0	16.7%	-	-	-
2021-06-22	LAD	10	98.5(99.1)	0	1	10.0%	-	-	-